Perhaps you should try some spelling variations:
"programacion paralela codigo." » "programacion para codigo." (Expand Search), "programacion grafica codigo." (Expand Search)
"preparado para codigo." » "preparacion para codigo." (Expand Search)
"formacion al codigo." » "formacion a codigo." (Expand Search), "formacion del codigo." (Expand Search), "formacion de codigo." (Expand Search)

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("formacion al codigo.") OR ((("preparado para codigo.") OR ("programacion paralela codigo."))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"formacion al codigo.\") OR (((\"preparado para codigo.\") OR (\"programacion paralela codigo.\"))))".
• Removing quotes may allow a broader search: (( formacion al codigo. ) OR ((( preparado para codigo. ) OR ( programacion paralela codigo. )))).
• Adding a wildcard symbol may retrieve word variants: (("formacion al codigo.") OR ((("preparado para codigo.") OR ("programacion paralela codigo."))))*.